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==TATXYZ Battery Discharge Characteristics==
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==Battery Discharge Characteristics==
    
In order to help our clients estimate the approximate battery life of their TATXYZ Trackers, we have compiled a comprehensive collection of battery discharge curves under various conditions. This wiki page serves as a valuable resource for understanding how different factors can affect the longevity of the tracker's battery, allowing users to make informed decisions and optimize their device's performance.
 
In order to help our clients estimate the approximate battery life of their TATXYZ Trackers, we have compiled a comprehensive collection of battery discharge curves under various conditions. This wiki page serves as a valuable resource for understanding how different factors can affect the longevity of the tracker's battery, allowing users to make informed decisions and optimize their device's performance.
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==Low Battery Indication==
 
==Low Battery Indication==
===Low Voltage and Temperature===
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===Temperature Impact on Low Voltage===
 
Battery replacement could be scheduled based on the received battery voltage values in the records. Here are recommendations for replacing the battery before it completely discharges. In the picture below, there are three curves depicting the battery voltage in different temperature environments. Each curve exhibits distinct properties; as observed from the graph, in higher temperatures, the battery discharges more rapidly towards the end, but the device is capable of sending more records. The curve for lower temperatures maintains a more consistent decline before a sudden drop.
 
Battery replacement could be scheduled based on the received battery voltage values in the records. Here are recommendations for replacing the battery before it completely discharges. In the picture below, there are three curves depicting the battery voltage in different temperature environments. Each curve exhibits distinct properties; as observed from the graph, in higher temperatures, the battery discharges more rapidly towards the end, but the device is capable of sending more records. The curve for lower temperatures maintains a more consistent decline before a sudden drop.
 
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* Warm environment (+22°C) : <6.6 V<br>
 
* Warm environment (+22°C) : <6.6 V<br>
 
* Cold environment (+3°C) : <6.5 V<br>
 
* Cold environment (+3°C) : <6.5 V<br>
* Very cold environment (~-22°C) : <6.3 V<br>
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* Very cold environment (-22°C) : <6.3 V<br>
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{| class="main-table" style="background: #E7F1FE; color: black;"
 
{| class="main-table" style="background: #E7F1FE; color: black;"
 
{| style="width: 800px;height: 60px; text-align: left; border: 1 px solid #0054A6; border-bottom: 1px solid #0054A6; border-left: 1px solid #0054A6;border-top: 1px solid #0054A6;border-right: 1px solid #0054A6;background: #E7F1FE; color: black; text-align: left; padding: 10px;"
 
{| style="width: 800px;height: 60px; text-align: left; border: 1 px solid #0054A6; border-bottom: 1px solid #0054A6; border-left: 1px solid #0054A6;border-top: 1px solid #0054A6;border-right: 1px solid #0054A6;background: #E7F1FE; color: black; text-align: left; padding: 10px;"
 
| style="width: 40px;height: 20px;padding: 10px;" | [[File:Note_icon.png|30 px|link=]]  
 
| style="width: 40px;height: 20px;padding: 10px;" | [[File:Note_icon.png|30 px|link=]]  
 
|| '''Please note:'''<br>  
 
|| '''Please note:'''<br>  
These are examples and recommendations of the low battery alarm concept only. Actual battery discharge curves may differ in various conditions.
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These are examples and recommendations of the low battery alarm concept only. <br>Actual battery discharge curves may differ in various conditions.
 
|}
 
|}
<br>
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===Low Voltage Record===
 
===Low Voltage Record===
 
To identify and get a dedicated record telling that the voltage threshold has been exceeded, follow below instructions. <br>
 
To identify and get a dedicated record telling that the voltage threshold has been exceeded, follow below instructions. <br>
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Above can also be configured by sending an SMS/GPRS command to a device that has already been deployed in the field. <br>
 
Above can also be configured by sending an SMS/GPRS command to a device that has already been deployed in the field. <br>
 
<code>setparam 50120:1;50123:0;50122:6600;50124:1;50121:1</code><br>
 
<code>setparam 50120:1;50123:0;50122:6600;50124:1;50121:1</code><br>
 
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{| class="main-table" style="background: #E7F1FE; color: black;"
 
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{| style="width: 800px;height: 60px; text-align: left; border: 1 px solid #0054A6; border-bottom: 1px solid #0054A6; border-left: 1px solid #0054A6;border-top: 1px solid #0054A6;border-right: 1px solid #0054A6;background: #E7F1FE; color: black; text-align: left; padding: 10px;"
 
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| style="width: 40px;height: 20px;padding: 10px;" | [[File:Note_icon.png|30 px|link=]]
 
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|| '''Please note:'''<br>
[[Category:TAT100 Manual]]
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Device will only receive SMS/GPRS command when it wakes up for periodic or scheduled record.
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|}<br>
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Every time device wakes up to send a new record battery voltage is measured. If the battery voltage is lower than configured threshold (6.6 V in this example), an Event Record will be generated and sent to the server. This record will have event number <b>"67"</b> indicating low voltage. <br>
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Example record content:<br>
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<code>
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00000000000000808E010000018ED1BDD9C0000F0E97C1209AC7410000000000000000430012000500F001005000001505004500012F01000900B5000000B600000018000000<br>
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CD0F9500CE000100431964001100000012000000130000000100F10000601A0003000B000000003544C87E61B700000000000000F3000E0000000041A1F7670000010000044E</code><br>
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<br>
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Data parsed:<br>
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[[File:TAT_AVL67_event.png|left]]
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<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
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In above example Event ID is 67 (corresponds to AVL for Battery Voltage). <br>
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Value of AVL 67 is 6500 (6.5 V) that is lower than configured 6600 (6.6 V). Operand condition was met and eventual record was generated.<br>

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